code: def clear_sub_backends():
      if ivy.current_sub_backends:
          ivy.__dict__.update(original_backend_dict)
          ivy.current_sub_backends.clear()
  
file_path: ivy/ivy/utils/backend/sub_backend_handler.py
imports: import os
  import re
  from types import ModuleType, FunctionType
  import logging
  import importlib
  import ivy
  from ivy.func_wrapper import _wrap_function
  from ivy.utils.exceptions import IvyException
label_desc: Use image node_id 8 for calling a global function with example usage: clear_sub_backends() without return types